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Finding the Third Proportional to 1,740 and 4,026

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Solution

The third proportional to 1,740 and 4,026 is: 9,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740 : 4,026 = 4,026 : x
  2. Step 2: Convert to fraction form
    1,740/4,026 = 4,026/x
  3. Step 3: Cross multiply
    1,740x = 4,026 × 4,026
  4. Step 4: Simplify right side
    1,740x = 16,208,676
  5. Step 5: Solve for x
    x = 16,208,676/1,740
  6. Step 6: Final answer
    x = 9,315.33

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.